package net.app.help.activities;

import android.annotation.TargetApi;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.media.Ringtone;
import android.media.RingtoneManager;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceCategory;
import android.preference.PreferenceFragment;
import android.preference.PreferenceManager;
import android.preference.PreferenceScreen;
import android.preference.RingtonePreference;
import android.text.TextUtils;
import android.util.Log;
import android.view.MenuItem;
import android.support.v4.app.NavUtils;

import net.app.help.R;
import net.app.help.db.DatabaseAdapter;
import net.app.help.model.Contact;

import java.util.ArrayList;
import java.util.List;

/**
 * A {@link PreferenceActivity} that presents a set of application settings. On
 * handset devices, settings are presented as a single list. On tablets,
 * settings are split by category, with category headers shown to the left of
 * the list of settings.
 * <p/>
 * See <a href="http://developer.android.com/design/patterns/settings.html">
 * Android Design: Settings</a> for design guidelines and the <a
 * href="http://developer.android.com/guide/topics/ui/settings.html">Settings
 * API Guide</a> for more information on developing a Settings UI.
 */
public class SettingsActivity extends PreferenceActivity implements SharedPreferences.OnSharedPreferenceChangeListener {
	/**
	 * Determines whether to always show the simplified settings UI, where
	 * settings are presented in a single list. When false, settings are shown
	 * as a master/detail two-pane view on tablets. When true, a single pane is
	 * shown on tablets.
	 */
	private static final boolean ALWAYS_SIMPLE_PREFS = true;

	/**MOJI PARAMETRI*/
	SharedPreferences prefs;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setupActionBar();

		/*INICIALIZACIJA PREFERENC*/
		SharedPreferences sPrefs = PreferenceManager.getDefaultSharedPreferences(this);
		prefs = sPrefs;
	}

	@Override
	protected void onResume() {
		super.onResume();
		Log.e("SettingsActivity","onResume - Preberem vrednosti in jih vnesem");
	}

	@Override
	protected void onPause() {
		super.onPause();
		prefs.unregisterOnSharedPreferenceChangeListener(this);
	}

	@Override
	protected void onRestart() {
		super.onRestart();
		prefs.registerOnSharedPreferenceChangeListener(this);
		Log.e("SettingsActivity","onRestart - Preberem vrednosti in jih vnesem");
	}

	/**
	 * Set up the {@link android.app.ActionBar}, if the API is available.
	 */
	@TargetApi(Build.VERSION_CODES.HONEYCOMB)
	private void setupActionBar() {
		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
			// Show the Up button in the action bar.
			Log.d("SettingsActivity setupActionBar", "V METODI, KI KREŠNE, ČE ODKOMENTIRAM getActionBar...");
//			getActionBar().setDisplayHomeAsUpEnabled(true);
		}
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		int id = item.getItemId();
		if (id == android.R.id.home) {
			// This ID represents the Home or Up button. In the case of this
			// activity, the Up button is shown. Use NavUtils to allow users
			// to navigate up one level in the application structure. For
			// more details, see the Navigation pattern on Android Design:
			//
			// http://developer.android.com/design/patterns/navigation.html#up-vs-back
			//
			// TODO: If Settings has multiple levels, Up should navigate up
			// that hierarchy.
			NavUtils.navigateUpFromSameTask(this);
			return true;
		}
		return super.onOptionsItemSelected(item);
	}

	@Override
	protected void onPostCreate(Bundle savedInstanceState) {
		super.onPostCreate(savedInstanceState);

		setupSimplePreferencesScreen();

		if (prefs.getBoolean(getString(R.string.key_call), false)) {
			Preference preference = findPreference(getString(R.string.key_record));
			preference.setEnabled(false);
		} else { // if call false
			Preference preference = findPreference(getString(R.string.key_record));
			preference.setEnabled(true);
		}

		if (prefs.getBoolean(getString(R.string.key_record), false)) {
			Preference preference = findPreference(getString(R.string.key_call));
			preference.setEnabled(false);
		} else { // if record false
			Preference preference = findPreference(getString(R.string.key_call));
			preference.setEnabled(true);
		}

		prefs.registerOnSharedPreferenceChangeListener(this);
	}

	/**
	 * Shows the simplified settings UI if the device configuration if the
	 * device configuration dictates that a simplified, single-pane UI should be
	 * shown.
	 */
	private void setupSimplePreferencesScreen() {
		if (!isSimplePreferences(this)) {
			Log.e("setupSimplePreferencesScreen","isSimplePreferences=FALSE");
			return;
		}

		// In the simplified UI, fragments are not used at all and we instead
		// use the older PreferenceActivity APIs.

		// Add 'general' preferences.
		addPreferencesFromResource(R.xml.pref_general);

		DatabaseAdapter da = new DatabaseAdapter(this);
		ArrayList<Contact> contacts = null;
		da.openToRead();
		contacts = da.getAllContacts();
		Log.d("Preferences", "contacts.size="+contacts.size());
		da.close();

		ListPreference listPreference = (ListPreference) findPreference(getString(R.string.key_contact));
		List<String> entries = new ArrayList<String>();
		List<String> entryValues = new ArrayList<String>();
		if (contacts != null) {
			if (contacts.size() > 0) {
				for (int i = 0; i < contacts.size(); i++) {
					entries.add(contacts.get(i).getName());
					entryValues.add(contacts.get(i).getTel());
				}
				CharSequence[] entriesCharSeq = entries.toArray(new CharSequence[entries.size()]);
				CharSequence[] entryValuesCharSeq = entryValues.toArray(new CharSequence[entryValues.size()]);

				listPreference.setEntries(entriesCharSeq);
				listPreference.setEntryValues(entryValuesCharSeq);
			}
		}
		bindPreferenceSummaryToValue(findPreference(getString(R.string.key_contact)));
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public boolean onIsMultiPane() {
		return isXLargeTablet(this) && !isSimplePreferences(this);
	}

	/**
	 * Helper method to determine if the device has an extra-large screen. For
	 * example, 10" tablets are extra-large.
	 */
	private static boolean isXLargeTablet(Context context) {
		return (context.getResources().getConfiguration().screenLayout
				& Configuration.SCREENLAYOUT_SIZE_MASK) >= Configuration.SCREENLAYOUT_SIZE_XLARGE;
	}

	/**
	 * Determines whether the simplified settings UI should be shown. This is
	 * true if this is forced via {@link #ALWAYS_SIMPLE_PREFS}, or the device
	 * doesn't have newer APIs like {@link PreferenceFragment}, or the device
	 * doesn't have an extra-large screen. In these cases, a single-pane
	 * "simplified" settings UI should be shown.
	 */
	private static boolean isSimplePreferences(Context context) {
		return ALWAYS_SIMPLE_PREFS
				|| Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB
				|| !isXLargeTablet(context);
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	@TargetApi(Build.VERSION_CODES.HONEYCOMB)
	public void onBuildHeaders(List<Header> target) {
		if (!isSimplePreferences(this)) {
			loadHeadersFromResource(R.xml.pref_headers, target);
		}
	}

	/**
	 * A preference value change listener that updates the preference's summary
	 * to reflect its new value.
	 */
	private static Preference.OnPreferenceChangeListener sBindPreferenceSummaryToValueListener = new Preference.OnPreferenceChangeListener() {
		@Override
		public boolean onPreferenceChange(Preference preference, Object value) {
			String stringValue = value.toString();

			if (preference instanceof ListPreference) {
				// For list preferences, look up the correct display value in
				// the preference's 'entries' list.
				ListPreference listPreference = (ListPreference) preference;
				int index = listPreference.findIndexOfValue(stringValue);

				// Set the summary to reflect the new value.
				preference.setSummary(
						index >= 0
								? listPreference.getEntries()[index]
								: null);

			} else {
				// For all other preferences, set the summary to the value's
				// simple string representation.
				preference.setSummary(stringValue);
			}
//			if (preference instanceof CheckBoxPreference) {
//				if (preference.getKey())
//			}
			return true;
		}
	};

	/**
	 * Binds a preference's summary to its value. More specifically, when the
	 * preference's value is changed, its summary (line of text below the
	 * preference title) is updated to reflect the value. The summary is also
	 * immediately updated upon calling this method. The exact display format is
	 * dependent on the type of preference.
	 *
	 * @see #sBindPreferenceSummaryToValueListener
	 */
	private static void bindPreferenceSummaryToValue(Preference preference) {
		// Set the listener to watch for value changes.
		preference.setOnPreferenceChangeListener(sBindPreferenceSummaryToValueListener);

		// Trigger the listener immediately with the preference's
		// current value.
		sBindPreferenceSummaryToValueListener.onPreferenceChange(preference,
				PreferenceManager
						.getDefaultSharedPreferences(preference.getContext())
						.getString(preference.getKey(), ""));
	}

	@Override
	public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
		Log.d("SettingsActivity","onSharedPreferenceChanged LISTENER FIRED");

		if (key.equals(getString(R.string.key_call))) {
			//if call true
			if (sharedPreferences.getBoolean(getString(R.string.key_call), false)) {
				Preference preference = findPreference(getString(R.string.key_record));
				preference.setEnabled(false);
			} else { // if call false
				Preference preference = findPreference(getString(R.string.key_record));
				preference.setEnabled(true);
			}
		}
		if (key.equals(getString(R.string.key_record))) {
			//if record true
			if (sharedPreferences.getBoolean(getString(R.string.key_record), false)) {
				Preference preference = findPreference(getString(R.string.key_call));
				preference.setEnabled(false);
			} else { // if record false
				Preference preference = findPreference(getString(R.string.key_call));
				preference.setEnabled(true);
			}
		}
	}

	/**
	 * This fragment shows general preferences only. It is used when the
	 * activity is showing a two-pane settings UI.
	 */
	@TargetApi(Build.VERSION_CODES.HONEYCOMB)
	public static class GeneralPreferenceFragment extends PreferenceFragment {
		@Override
		public void onCreate(Bundle savedInstanceState) {
			super.onCreate(savedInstanceState);
			addPreferencesFromResource(R.xml.pref_general);

			// Bind the summaries of EditText/List/Dialog/Ringtone preferences
			// to their values. When their values change, their summaries are
			// updated to reflect the new value, per the Android Design
			// guidelines.

			/* TUKAJ POIŠČEM ŠE ZA MOJE NASTAVITVE in PRILAGODIM LISTENER TER METODO DA ODRAŽA SPREMEMBE*/

//			bindPreferenceSummaryToValue(findPreference("example_text"));
		}
	}

}
